Saco Water Power Company engineering notebook (No. 6)
Circa 1849-1852; 18 cm.
Engineering notebook; cover has "No. 4" written on it; some work can be positively attributed to Thomas Quinby. Illustrations, equations, notes, tables.
From Biddeford history collections - McArthur Public Library, Biddeford, Maine, USA (www.mcarthurlibrary.org)
Saco Water Power Company engineering notebook (No. 6)